The outer core of Mars cooled too quickly and the magnetic field didn't have time to fully form so the solar winds destroyed the magnetic field and the atmosphere
The hemoglobin that is about 65% saturated with o2 in a healthy resting person Systemic veins & pulmonary arteries.
<h3>Define Hemoglobin?</h3>
Hemoglobin is a protein in red blood cells that takes oxygen to body's organs and tissues and elates carbon dioxide from organs and tissues back to your lungs.
Thus, Systemic veins & pulmonary arteries are correct.
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C, it is absorbed by earths surface.
Organ systems is the answer
